Salus Hydraulics · documentation and technical support
Counterbalance and pilot-operated check valves — documentation
Choose the section that matches the valve's function in the hydraulic diagram. Counterbalance valves and pilot-operated check valves are not automatically interchangeable. Compare both the component specification and the circuit in which it operates.
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Counterbalance and pilot-operated check valves serve different load-control functions. Counterbalance valves can control an overrunning load, while pilot-operated check valves provide a blocking function with leakage characteristics dependent on the design. Selecting a valve for a cylinder or motor requires the circuit diagram, load conditions, pilot arrangement and manufacturer guidance.
Eaton, Hydraforce, Valvole Italia
(pilot to open)
Yuken, Eaton Vickers
(pilot to close)
Eaton
What information should you prepare?
- Valve function and relevant part of the hydraulic diagram.
- Full code and cavity or housing configuration.
- Flow, pressures and pilot-control information.
- Actuator details and load conditions.
Send the part number and a description of the application. We will check the configuration against the relevant documentation.